Yes, we've all seen that ytmnd.
But really, Microsoft hasn't been acting like sega for the most part. Perhaps if sega hadn't blown so much money on 32x/sega CD/Saturn, it not only would've had a better market presence but a lot more money to cope with the losses of of Dreamcast. Sega came to Dreamcast from Saturn, Microsoft came to the 360 from the huge hit of the original Xbox.